body {
    background: #fefefe;
    color: #222;
    overflow: hidden;
}

#background-img {
    position: fixed;
    right: 0;
    bottom: 0;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -100;
    filter: brightness(0.5) blur(15px);
}

#fatherBox {
    display: flex;
}

#timchat {
    display: block;
    width: 240px;
}

#pdfFile {
    flex: 1;
    /* background-color: #333; */
}

#video-container {
    width: 15vw;
    height: 15vh;
    /* position: absolute;
    top: 5vw;
    left: 0; */
    /* margin-top: 30px; */
    z-index: -1;
}

#video-container>.user-video-container {
    display: block;
    position: absolute;
    overflow: hidden;
}

#video-container>.user-video-container>div {
    width: inherit;
    height: inherit;
}

#video-container>.local-video-container {
    width: 100%;
    height: 100%;
}

#video-container>.local-video-container>div>canvas {
    margin: 0;
}

.right {
    position: absolute;
    right: 10px;
}

.left {
    position: absolute;
    left: 10px;
}

.header {
    display: flex;
    background-color: rgba(246, 248, 255);
    width: 100%;
    height: 30px;
    position: relative;
}

.header .p-left {
    width: 300px;
    height: 30px;
    line-height: 30px;
    position: absolute;
    left: 0;
    top: 0;
}

.header .p-left span {
    /* margin: 0 10px; */
    font-size: 12px;
    padding: 0 8px;
    color: silver;
    border-right: 1px solid silver;
}

.header .p-right {
    width: 450px;
    height: 30px;
    line-height: 30px;
    position: absolute;
    right: 0;
    top: 0;
}

.header .p-right button {
    width: 70px;
    height: 18px;
    font-size: 12px;
    color: #fff;
    background-color: rgb(140, 193, 82);
    text-align: center;
    line-height: 18px;
}

.header .p-right a {
    padding: 2px;
    list-style: none;
    text-decoration: none;
    color: silver;
    margin: 0 6px;
    font-size: 12px;
    /* background-color: #ccc; */
}

.header .p-right a:hover {
    color: #fff;
    background-color: orange;
}